S
M
T
W
T
F
S
30
89°
74°
31
90°
73°
1
91°
75°
2
91°
73°
3
90°
73°
4
84°
73°
5
88°
73°
6
88°
75°
7
90°
75°
8
90°
73°
9
91°
73°
10
86°
75°
11
86°
77°
12
86°
73°
13
90°
73°
14
91°
75°
15
93°
73°
16
90°
73°
17
88°
70°
18
90°
68°
19
90°
68°
20
90°
70°
21
88°
70°
22
N/A
23
89°
79°
24
85°
75°
25
82°
76°
26
83°
75°
27
86°
73°
28
85°
77°
29
84°
80°
30
82°
77°
1
84°
74°
2
82°
74°
3
81°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Fort Morgan
Fort Morgan's September 2026 forecast shows daily high temperatures ranging from 81° to 89°, with overnight lows between 73° and 80°. The average high for September is 84° with an average low of 76°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Fort Morgan. See also: October | November | December.
